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3,591 common lichens species
Topelia californica
Trapeliopsis bisorediata
Trapeliopsis steppica
Trapeliopsis wallrothii
Usnea amabilis
Usnea angulata
Usnea baileyi
Usnea californica
Usnea capillaris
Usnea cirrosa
Usnea dimorpha
Usnea endochrysea
Usnea erinacea
Usnea esperantiana
Usnea evansii
Usnea fibrillosa
Usnea flammea
Usnea fragilescens
Usnea furfurosula
Usnea leucosticta
Usnea praetervisa
Usnea ramillosa
Usnea subfusca
Usnea tristis
Usnea vainioi
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